package com.zhijiaoyun.service;

import java.util.List;

/**
 * @author shisfish
 * @date 2017/6/6
 */
public interface IRECourseCategoryService {

	void addRECourseCategory(Long courseId, String categoryIds);

	int countByCategoryids(List<Long> categoryids);

	int countByCategoryId(Long categoryId);

}
